Home / 88,249.89-132,373.68-21,690.60

Finding the Fourth Proportional to 88,249.89, 132,373.68 and 21,690.60

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Solution

The fourth proportional to 88,249.89, 132,373.68 and 21,690.60 is: 32,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.89 : 132,373.68 = 21,690.60 : x
  2. Step 2: Convert to fraction form
    88,249.89/132,373.68 = 21,690.60/x
  3. Step 3: Cross multiply
    88,249.89x = 132,373.68 × 21,690.60
  4. Step 4: Simplify right side
    88,249.89x = 2,871,264,543.41
  5. Step 5: Solve for x
    x = 2,871,264,543.41/88,249.89
  6. Step 6: Final answer
    x = 32,535.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.